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.Management Sciences
A. Fireclay
B. Magnesite
C. Forsterite
D. Chromite
Related Mcqs:
- Bauxite calcining rotary kilns are lined with ________________ bricks?
- A. Fireclay B. Carbon C. 85% alumina D. Corundum...
- Porosity is induced in insulating refractories by adding________________?
- A. Powdered naphthalene B. Ammonium chloride/sulphate C. Calcium phosphate D. All A., B. and C....
- Rotary kilns meant for calcination of limestone are lined with chrome magnesite in ______________ zone?
- A. Preheating B. Cooling C. Burning D. All the above...
- Pick out the wrong statement?
- A. Fluxing material like lime is added in clay to reduce the vitrification temperature B. Main constituents of clay are alumina and silica C. Addition of sand in ceramic materials makes it non-plastic, increases its fusion point and reduces its shrinkage on burning D. Vitrification of fireclay material is done to increase its porosity...
- Spray test determines the _____________ of refractories?
- A. Resistance to slag penetration B. Resistance to CO attack C. RUL D. Permanent linear change...
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